A rod is fixed between two points at `20^(@)C`. The coefficient of linear expansion of material of rod is `1.1 xx 10^(-5)//.^(C` and Young's modulus is `1.2 xx 10^(11) N//m`. Find the stress develop in the rod if temperature of rod becomes `10^(@)C`

A uniform copper rod of length 50 cm and diameter 3.0 mm is kept on a frictionless horizontal surface at 20^(@)C . The coefficient of linear expansion of copper is 2.0 xx 10^(-5) K^(-1) and Young's modulus is 1.2 xx 10^(11) N//m^(2) . The copper rod is heated to 100^(@)C , then the tension developed in the copper rod is

A uniform copper rod of length 50 cm and diameter 3.0 mm is kept on a frictionless horizontal surface at 20^(@)C . The coefficient of linear expansion of copper is 2.0 xx 10^(-5) K^(-1) and Young's modulus is 1.2 xx 10^(11) N//m^(2) . The copper rod is heated to 100^(@)C , then the tension developed in the copper rod is

A uniform rod of cross-section 4 mm^(2) is heated from 0^(@)C " to "10^(@)C. The coefficient of linear expansion of the rod, prop=12xx10^(-6)//^(@)C and Young's modulus =10^(11)N//m^(2). The strain produced in the rod is

A uniform rod of cross-section 4 mm^(2) is heated from 0^(@)C " to "10^(@)C. The coefficient of linear expansion of the rod, prop=12xx10^(-6)//^(@)C and Young's modulus =10^(11)N//m^(2). The strain produced in the rod is

A uniform metal rod of 2mm^(2) area of cross section is heated from 0^(@)C to 20^(@)C . The coefficient of linear expansion of the rod is 12xx10^(-6)//""^(@)C . Its Young's modulus of elasticity is 10^(11)N//m^(2) , then the energy stored per unit volume of rod is,

A uniform metal rod of 2mm^(2) area of cross section is heated from 0^(@)C to 20^(@)C . The coefficient of linear expansion of the rod is 12xx10^(-6)//""^(@)C . Its Young's modulus of elasticity is 10^(11)N//m^(2) , then the energy stored per unit volume of rod is,

A steel rod of length 5 m is fixed between two support. The coefficient of linear expansion of steel is 12.5 xx 10-6//^(@)C . Calculate the stress (in 10^(8) N//m2 ) in the rod for an increase in temperature of 40^(@)C . Young's modulus for steel is 2 xx 10^(11) Nm^(-2)

A uniform metal rod of 2 mm^2 cross-section is is heated from 0C to 20^circ C . The coefficient of linear expansion of the rod 1 2 xx 10^(-6)circC^( -1). Its Youngs modulus of elasticity is 10^(11) Nm^(-2). Energy stored per unit volume of the rod is